Until you give birth, the hormones estrogen and progesterone will keep you from actively producing much milk. But at the same time, the hormone prolactin becomes active, especially during the last trimester. Prolactin helps your body produce milk and is responsible if you leak a little colostrum...
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Examples of hydrophobic pharmaceutical components useful in the present invention include budesonide, testosterone, progesterone, estrogen, flunisolide, triamcinolone, beclomethasone, betamethasone, dexamethasone, fluticasone, methylprednisolone, prednisone and hydrocortisone, peptide, a retinoid, vitamin D, ...